Van’s Kindle Notes & Highlights

The First 20 Hours: How to Learn Anything . . . Fast!, by Josh Kaufman

The critical period for interference also seems to be roughly four hours.

See Van’s 15 highlights

The First 20 Hours: How to Learn Anything . . . Fast!

The First 20 Hours: How to Learn Anything . . . Fast!

by Josh Kaufman

Rate this book

Clear rating

1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars